Portion of a container



FIG. 1 is a front perspective view of a portion of a container showing our new design; and,

FIG. 2 is a front elevational view thereof.

The long-dash-short-dash broken lines represent the bounds of the claimed design, while all other broken lines are directed to environment only and form no part of the claimed design. The contrast in shading represents a change in color. No specific color is hereby claimed. 

The ornamental design for a portion of a container, as shown and described. 